Occasional papers on mollusks.

v.2 (1955-1965)

Special occasional publication / Department of Mollusks, Museum of Comparative Zoology, Harvard University.

no.8 (1992)

Special occasional publication / Department of Mollusks, Museum of Comparative Zoology, Harvard University.

no.10 (1992)

Some new American fossil crinoids / by Frank Springer.

v.25:no.3 (1911)

Occasional papers on mollusks.

v.5 (1989-1998)

Special occasional publication / Department of Mollusks, Museum of Comparative Zoology, Harvard University.

no.7 (1986)

Report on the fossil plants of the auriferous gravel deposits of the Sierra Nevada / by Léo Lesquereux.

v.6:no.2 (1878)

Occasional papers on mollusks.

v.3 (1967-1973)

Occasional papers on mollusks.

v.4 (1974-1984)

Special occasional publication / Department of Mollusks, Museum of Comparative Zoology, Harvard University.

no.2 (1974)

Special occasional publication / Department of Mollusks, Museum of Comparative Zoology, Harvard University.

no.5 (1985)

Special occasional publication / Department of Mollusks, Museum of Comparative Zoology, Harvard University.

no.9 (1992)

Special occasional publication / Department of Mollusks, Museum of Comparative Zoology, Harvard University.

no.11 (1992)

Special occasional publication / Department of Mollusks, Museum of Comparative Zoology, Harvard University.

no.3 (1974)

Jamaican fossil Echini / by Benjamin Walworth Arnold and Hubert Lyman Clark. With descriptions of new species of Cainozoic Echinoidea / by Herbert L. Hawkins.

v.50:no.1 (1927)